ShadowArtParameter,,,,,,,,,
LightDirection,PreColor,nMinWorldColorNorma,nMaxWorldColorNorma,rMinOpacity,rMaxOpacity,nPrefVertCount,nPrefTriCount,nShadowTriCount,vPrefBBoxSize
(1.0 1.1 1.0),(60.50.70),70,210,0.0,0.8,1000,1000,150,(1.4 0.0 1.4)